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2 years ago

PLZ HELP ME WITH MEH 7th GRADE MATH

Mathematics

1 answer:

sergiy2304 [10]2 years ago

3 0

Answer:

7.5 units

Step-by-step explanation:

Figure A maps figure B with a scale factor of 0.75. This means that the side of the smaller figure can be obtained from the corresponding side of the larger figure by multiplying by 0.75.

Sides with measures 10 and x are cprresponding sides of the figures A and B.

So,

$x=0.75\cdot 10\\ \\x=7.5$

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What is the vertex of g(x) = 3x2 − 12x + 7? (−6, −5) (−2, −5) (2, −5) (6, −5)

34kurt

Answer:

(2, -5)

Step-by-step explanation:

Convert to vertex form:

3x^2 - 12x + 7

= 3(x^2 - 4x) + 7

Completing the square:

= 3[ (x - 2)^2 - 4)] + 7

= 3(x - 2)^2 - 12 + 7

= 3(x - 2)^2 - 5.

Comparing with the general form

a(x - b)^2 + c we see that the vertex is (b, c) = (2, -5).

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2 years ago

What is the percent increase between 8,863,052 and 9,149,840?

kvasek [131]

Answer:

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2 years ago

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pogonyaev

Answer:

It does not converge

Step-by-step explanation:

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2 years ago

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Problem #2: A piece of wood that is 15 feet long is out in half. Each half is then cut into twelve

garri49 [273]

Answer: Each peice of wood is equal to 0.625

Step-by-step explanation:

15/2 = 7.5

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3 years ago

K(t)=10t−19 k=-7 k=-7= Please help

igomit [66]

Answer:

t = 6/5

Step-by-step explanation:

Step 1: Define

k(t) = 10t - 19

k(t) = -7

Step 2: Substitute and Evaluate

-7 = 10t - 19

12 = 10t

t = 6/5

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3 years ago